2013’s historic Russian meteorite fall
By James E. Oberg
The largest meteorite to light up Earth’s sky in more than a century exploded above Russia’s Ural Mountains.
pg. 18

Buzz Aldrin on our future in space
By Buzz Aldrin
From Moon rovers practicing in Hawaii to astronauts controlling lunar robots from space, Buzz Aldrin depicts the legacy and the future of space exploration.
pg. 24

How to find ET with infrared light
By Jeff R Kuhn, Svetlana V Berdyugina, David Halliday, Caisey Harlingten
The search for other intelligence has revolved around radio signals, but heat signature also could give away its location.
pg. 30

Explore the ultimate planetary nebula catalog
By Michael E. Bakich
The Perek-Kohoutek catalog contains some of the smallest, faintest, and most enigmatic deep-sky treats.
pg. 46

Bringing order to the southern skies
By Brian Jones
Nicolas de Lacaille’s most enduring influence lives in constellations like Carina, Fornax, and Telescopium.
pg. 50

What are we learning from Moon rocks?
By Meenakshi Wadhwa
A treasure-trove of samples is providing insight into its origin, mineralogy, and evolution.
pg. 54